A106263 - OEIS

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A106263

Row sums of number triangle A106262.

1

1, 1, 3, 4, 5, 8, 12, 11, 16, 16, 28, 27, 36, 34, 45, 53, 60, 60, 66, 72, 86, 104, 111, 95, 119, 109, 161, 182, 185, 161, 175, 169, 199, 210, 249, 258, 310, 248, 340, 332, 356, 297, 370, 352, 424, 428, 465, 502, 500, 450, 547, 590, 613, 588, 630, 569, 595, 630

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

Table of n, a(n) for n=0..57.

FORMULA

a(n)=sum{k=0..n, (2^(n-k) mod k+2)}

CROSSREFS

Sequence in context: A039881 A364652 A035113 * A089642 A327182 A030403

Adjacent sequences: A106260 A106261 A106262 * A106264 A106265 A106266

KEYWORD

easy,nonn

AUTHOR

Paul Barry, Apr 28 2005

STATUS

approved